Re: IML: '60-'66 Wheel Size

[randalpark@xxxxxxx]

1959 through 1966 wheel rims are all the same. I also use them on my 
'56 to assist in brake cooling. The bolt pattern is the same.

Paul W.


-----Original Message-----
From: Joe Strickland <jwstrick426@xxxxxxxxxxxx>
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Fri, 17 Aug 2007 1:52 pm
Subject: IML: '60-'66 Wheel Size



I don't know about '63 & up, but the '62 Service Manual says the wheel 
size is
15 X 6L.  I believe '59-'62 are all the same.  Keep in mind that the 
width
across from inner to outer rim on these wheels was designed in the days 
before
radial tires.  Many newer radials have a different cross-sectional 
shape.  The
old bias ply tires in production in the '50s and early '60s had a shape 
closer
to a circle than the new tires being produced today for modern cars and 
wheels.
Newer tire designs for modern cars often have a "low profile" shape 
which is
more of an oval shape.  This changes the overall diameter of the wheel 
and tire
assembly if you put one on an older car made for bias ply tires.  This 
could
cause the speedometer to not register the correct speed.

You may find a radial tire with either correct or close to correct
cross-sectional shape in a 235-75R15 type radial.  There are tires made 
for
antique cars with the older cross-sectional shape.  Check with a tire 
vendor and
have them explain how these characteristics affect the handling of the 
car.  I
have had 235-75R15 tires on some of the cars I owned in the late '60s 
and had no
problems with them.  Radial tires are safer at higher speeds and also 
have lower
rolling friction.  Check on Michelin radials for your car.



Joseph W. Strickland
1021 Vaughan Lane
Tioga, TX 76271-2937

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